Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift to December brings a decrease in the average high-temperature, falling from 42.6°F (5.9°C) in November to a still wintry 32.2°F (0.1°C). Elm Grove, in December, witnesses an average low-temperature of 22.6°F (-5.2°C).Humidity
The average relative humidity in December is 87%.Rainfall
In December, the rain falls for 10.2 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 153.2 rainfall days, and 25.28" (642mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 16.5 days and typically aggregates up to 6.65" (169mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:37 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 1 transforms into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month in Elm Grove?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Elm Grove?
When is the sunrise / sunset in December?
How many hours of sunshine does Elm Grove have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Elm Grove, NY
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in December: 22.6°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in December
Elm Grove, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Elm Grove, NY
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Elm Grove, NY
- Average humidity in December: 87%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Elm Grove, NY
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Elm Grove, NY
- Average rainfall days in December: 10.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Elm Grove, NY
- Average snowfall in December: 6.65"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Elm Grove, NY
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Elm Grove, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in December
Elm Grove, NY
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Elm Grove, NY
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Elm Grove, NY
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Elm Grove, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Elm Grove, New York, USA
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